@nativescript/core
Version:
A JavaScript library providing an easy to use api for interacting with iOS and Android platform APIs.
49 lines • 1.35 kB
JavaScript
// cache the MeasureSpec constants here, to prevent extensive marshaling calls to and from Java
// TODO: While this boosts the performance it is error-prone in case Google changes these constants
import { MODE_MASK, UNSPECIFIED, EXACTLY, AT_MOST } from './layout-helper-shared';
export function getMode(mode) {
switch (mode) {
case EXACTLY:
return 'Exact';
case AT_MOST:
return 'AtMost';
default:
return 'Unspecified';
}
}
export function getMeasureSpecMode(spec) {
return spec & MODE_MASK;
}
export function getMeasureSpecSize(spec) {
return spec & ~MODE_MASK;
}
export function measureSpecToString(measureSpec) {
const mode = getMeasureSpecMode(measureSpec);
const size = getMeasureSpecSize(measureSpec);
let text = 'MeasureSpec: ';
if (mode === UNSPECIFIED) {
text += 'UNSPECIFIED ';
}
else if (mode === EXACTLY) {
text += 'EXACTLY ';
}
else if (mode === AT_MOST) {
text += 'AT_MOST ';
}
text += size;
return text;
}
export function round(value) {
const res = Math.floor(value + 0.5);
if (res !== 0) {
return res;
}
else if (value === 0) {
return 0;
}
else if (value > 0) {
return 1;
}
return -1;
}
//# sourceMappingURL=layout-helper-common.js.map